Patent US2110107A successfully refreshed from Google Patents.
US2110107A
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Refrigerant compressor
Assignee: WALTER J SUGDEN
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Filing: 1934-11-01
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Granted: 1938-03-01
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Expires: 1954-11-01
Abstract
No abstract record available.
Inventors
- 👤 William D Drysdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:50
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/028; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-02-28 | 1941-08-30 | 1942-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-28 | 1945-08-30 | 1946-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-28 | 1949-08-30 | 1950-03-01 | $7700.00 | Window Closed / Lapsed |